| A sudoku puzzle has 9 ROWS, 9 COLUMNS, and 9 BOXES. It
also has 81 CELLS. The term 'squares' should be avoided as it is
too ambiguous. |
| |
| BAND - a horizontal row of
boxes |
| BIVALUE CELL - a cell with only
two possible candidates |
| CANDIDATES - Possible values in any cell are its
CANDIDATES |
| CLUES (or GIVENS) - These are the cells that are already
filled at the beginning of the sudoku puzzle |
| GIVENS (or CLUES) - These are the cells that are already
filled at the beginning of the sudoku puzzle |
| HOUSE (or UNIT) - A HOUSE is another way of
saying 'row, column,
or box'. For
example, "When a candidate appears twice in any HOUSE, it is
strongly linked............" |
INTERSECTION - The
three cells where a row or column intersects a box
|
|
| |
|
| STACK - a vertical column
of boxes |
| STRONG LINK - If a candidate is
present exactly two times in
any house, those two candidates are strongly linked within that house.
One of them must exist, the other cannot . |
| UNIT (or HOUSE) - A UNIT is another way of saying 'row,
column,
or box'. For
example, "When a candidate appears twice in any UNIT, it is
strongly linked............" |
| WEAK LINK - When a candidate
appears three or more times in
a house, any two candidates in that house are weakly linked. If
one exists, the other cannot, however it is possible that neither
exists. |